Pilarcitos
Dam in San Mateo County, California · Pilarcitos Crk · forms Pilarcitos Lake
Height
103 ft
31 m (NID height)
Length
520 ft
158 m
Completed
1866
Pilarcitos Lake today
676.89 ft
7 days ▼ 0.33 ft
Reservoir level measured Oct 23, 2026, 10:00 AM PDT. Full level page →
Facts
- Purposes
- Water Supply
- Dam type
- Earth
- Owner
- City and County of San Francisco (Local Government)
- Maximum storage
- 3,100 acre-ft
- Surface area
- 109 acres
- Hydraulic height
- 96 ft
- Drainage area
- 4 sq mi
- Army Corps district
- San Francisco District
- NID ID
- CA00128
Facts from the U.S. Army Corps of Engineers National Inventory of Dams, record updated Oct 6, 2026. Search NID ID CA00128 at nid.sec.usace.army.mil. Project website.